sodium tetrahydroborate; nickel dichloride in methanol T=20°C; 0.5 h;

lithium hydroxide in tetrahydrofuran; water T=20°C; 25 h;

1.1: 91 percent / LiOH*H2O / tetrahydrofuran; H2O / 25 h / 20 °C 2.1: H2 / Raney-Ni / methanol / 24 h / 20 °C / 3800 Torr 2.2: 91 percent / aq. HCl View Scheme